Fungi (IMAGE) Washington State University Caption Blue-stained filaments of arbuscular mycorrhizal fungus, which lives in symbiosis with plants, inhabit plant roots in this microscope image. Credit Photo by Ashley Finnestad, T.E. Cheeke Lab, WSU. Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.